For example, what version are you using? We had some bugs in the TCP
connection code dealing with multiple networks that were recently fixed.
Could you try the latest 1.1.1 beta and see if that fixes your problem?

> Hi all,
>
> We have set up OpenMPI over a set of 5 machines (2 dual CPU) and get this
> error when trying to start an MPI application with more than 5 processes:
>
> [0,1,2][btl_tcp_endpoint.c:572:mca_btl_tcp_endpoint_complete_connect]
> connect() failed with errno=113
>
> Anything below 5 proc. works great. We have set the btl_tcp_if_include and
> and the oob_tcp_include to the correct interface to use on each machine.
> Anything else we can try / diagnostics to run to provide more info about the
> problem?
>
> Thanks, Gunnar Johansson
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